I've fought court battles over my inventions before.
There's nothing wrong with things taking time.
If you invent something, you're doing a creative act. It's like writing a novel or composing music. You put your heart and soul into it, and money. It's years of your life, it's your house remortgaged, huge emotional investment and financial investment.
You need a stubborn belief in an idea in order to see it realised.
We need to encourage investors to invest in high-technology startups.
Cordless vacuums are designed for quick jobs, but you need enough power to do the job; you don't want the power waning over time.